Surat: A 20-year-old girl was set on fire in the city on Monday by her father, who had a heated argument with her for insisting on getting married to her boyfriend. The victim died on the spot.Rubina Shaikh was allegedly set ablaze by her father Urhan at their house in Azad Nagar slums at Bhatar. The father sprinkled petrol on the victim after a heated argument and then threw a burning matchstick on her. Rubina was completely burnt within seconds.